Formulas, degrees and radians

Full circle in radians

Radians to degrees

Degrees to radians

Degrees, minutes and seconds to decimal degrees


Degrees and radians

Radian is the ratio between the length of an arc and the circles radius.

Radians for a complete circle are:

A circle has 360 degrees.

Converting from radians to degrees

Radians can be converted to degrees with the formula:


Converting from degrees to radians

Degrees can be converted from radians to degrees with the formula:

Convert between degrees and radians

Degrees:

Radians:

Pi:

Converting degrees, minutes and seconds to decimal degrees

When using latitude and longitude the coordinates are often degrees, minues and seconds.
Those can be converted to decimal degrees with the formula: